Chattering Preventing Circuit, Waveform Shaping Circuit Including Chattering Preventing Circuit, and Three-Phase Motor Drive Control Circuit Including Waveform Shaping Circuit

摘要

An object of the present invention is to provide a chattering preventing circuit, a waveform shaping circuit, and a motor drive control circuit including the chattering preventing circuit or the waveform shaping circuit, to provide an FG signal free from noise caused by chattering, without using a hysteresis comparator.